Sơ đồ thủy lực máy đào CAT365

Sơ đồ thủy lực máy đào CAT365 - P

© 2003 Caterpillar

RENR5333-01 April 2003

365B and 365B Series II Excavators Hydraulic System

365B LU:

BTH1-UP CFJ1-UP DER1-UP

365B L:

AGD236-UP 4XZ340-UP 9TZ531-UP

Pilot Manifold

PIN Pi3 Pi2 Pi1

PSA3 PSA2 PSA1

PSA4

TOUT PG

DR6 DR5 DR4

PAC

f00915

72

14

31 33 35 36

47 46

45 39

38 37

21

20

23

.25

26

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Main Control Valve

19

T1

L' L'

BR BR

M

MB

A' B'

PR PG

L2

D

L1 Qmax Qmin

T1

A'

D

F E

P T

M2 M1 B'

B

P1

P2

Dr

A

T2

X T2

BL2 AL2

B

L L1 S

PG

Pi6

M1

T2 T1 R

S

AS

aR3 aL3

bR3 bL3

aL1 aR1

bL4

aL4

P

AL4

BR1

R2

AR3

BR3 AL3

BL3

S1

PR

BL4 bL2

Qmax Qmin

B

M2 M2g

A

PS2g

PS2

M2g' M1g'

PS1g PS1

aL2

R1

P

M

MA

Qmin Qmax

PD

P1

P2 Dr

X

SA2

IN PF

8

9

10

11

15

19

20

29

37

40

41

44

45

54

55 56

57

60

64

65

MAIN CONNNECTOR LINE

PILOT LINE DRAIN LINE

Hydraulic Schematic

201-9309

Item

Component

STANDARD COMPONENTS

Component

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36

Bucket Cylinder Stick Cylinder Boom Cylinder

37 38 39 40 41 42 43 44 45 47 46 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71

Travel Counterbalance Valve (Right) Travel Motor (Right)

Travel Motor (Left) Travel Counterbalance Valve (Left) Swing Motor (Right)

Swing Control Valve Swing Parking Brake Solenoid Swing Motor (Left)

Attachment Proportional Valve Bucket Proportional Valve (Close) Boom Proportional Valve (Rod End) Swivel

Stick Proportional Valve (In) Left Travel Proportional Valve (Frwd) Right Travel Proportional Valve (Frwd) Main Control Valve

Solenoid Valve (Neutral Bypass) Neutral Flow Control Valve Differential Pressure Relief Valve (Rear) Flow Compensator Valve (Boom) Work Tool Control Valve Flow Compensator Valve (Bucket) Bucket Control Valve

Flow Compensator Valve (Boom) Boom Control Valve

Signal Duplication Valve (Stick Side) Stick Control Valve

Flow Compensator Valve (Stick) Left Travel Control Valve Flow Compensator Valve (Left Travel) Right Travel Control Valve

Flow Compensator Valve (Right Travel) Differential Pressure Relief Valve (Front)

Attachment Proportional Valve Bucket Proportional Valve (Open) Boom Proportional Valve (Head End) Boom Drift Reduction Valve Signal Relief Valve (Travel) Signal Relief Valve (Stick Side) High/Low Relief Valve Solenoid Valve Stick Drift Reduction Valve

Stick Proportional Valve (Out) Left Travel Proportional Valve (Rev) Right Travel Proportional Valve (Rev) Travel Speed Solenoid Valve Proportional Reducing Valve Pilot Relief Valve

Pilot Valve (Hydraulic Activation) Solenoid Valve (Hydraulic Activation) Accumulator

Pilot Oil Manifold Pilot Filter Bypass Check Valve Back Pressure Valve Oil Cooler

Cooling Fan Motor Swing Pump Pressure Sensor Drain Filter

Return Filter Hydraulic Tank Return Filter Drain Filter Front Pump Charged Pump Rear Pump Pilot Pump Cooling Pump Swing Pump

1

2 3

5 4

7 6

68 67 66

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